Signs Your Furnace Needs Replacing in Ontario | Replace vs Repair | (416) 424-4328

⚠️ Furnace Failing? (416) 424-4328 — Free Repair vs Replace Assessment Scarborough

Signs Your Furnace Needs Replacing in Ontario — Repair vs Replace Guide for Scarborough Homeowners

Signs Your Furnace Needs Replacement (Not Repair)

  • Age 20+ years — Most furnaces last 15–25 years. Any major repair on a 20-year system is rarely cost-effective.
  • Cracked heat exchanger — Carbon monoxide hazard. Replace immediately. This alone requires furnace replacement.
  • Repair cost over 40% of replacement cost — $2,200 repair on a $5,000 furnace replacement: replace.
  • 3+ repairs in last 2 years — End-of-life failure pattern.
  • Efficiency below 80% AFUE — Old 60% AFUE furnace vs new 96%: $400–$600/year in gas savings.

Ontario Furnace Replacement Costs (2026)

  • 96% AFUE High-Efficiency Gas Furnace: $3,500–$5,500 installed
  • Brands available: Lennox, Carrier, York, Daikin

How do I know when to replace my furnace in Ontario?

Replace your furnace in Ontario when: it is 20+ years old, has a cracked heat exchanger, repair cost exceeds 40% of replacement cost, or has had 3+ repairs in the last 2 years. New 96% AFUE furnaces cost $3,500-$5,500 installed. Call Madina Mechanical at (416) 424-4328 for a free assessment in Scarborough.

🔗 Furnace Installation Scarborough | Furnace Repair Scarborough

Free Furnace Assessment: (416) 424-4328

Rizwan Malik | Senior HVAC Technician & Founder
Experience: 18 years
Location: Scarborough, Ontario, Canada
Credentials: Red Seal Certified HVAC Technician, TSSA Licensed Gas Fitter, Ozone Depletion Prevention (ODP) Certified

Rizwan Malik has been keeping Ontario homes comfortable since 2007, founding Madina Mechanical to provide honest, skilled HVAC service across the GTA. With nearly two decades of hands-on experience in furnaces, air conditioning, boilers, and indoor air quality, he treats every service call like it’s his own home.

Rizwan Malik

Rizwan Malik has been keeping Ontario homes comfortable since 2007, founding Madina Mechanical to provide honest, skilled HVAC service across the GTA. With nearly two decades of hands-on experience in furnaces, air conditioning, boilers, and indoor air quality, he treats every service call like it’s his own home.

Contents
Get In Touch With Us

Get in touch with us today for expert assistance, quick responses, and reliable service you can trust.